#A3634F
Closest named color: Earth (#A2653E). oklch(56.6% 0.089 38.1), rgb(163, 99, 79).
Aa
White text reads best on this color (4.71:1).
About this color
#A3634F is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.089 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.024 away. White text reads best on it, at 4.71:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.45:1 |
| White text | 4.71:1 |
Values
| HEX | #A3634F |
| RGB | rgb(163, 99, 79) |
| HSL | hsl(14, 35%, 47%) |
| OKLCH | oklch(56.6% 0.089 38.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A3634F | 4.71:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #A3634F | 4.45:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #A3634F text on white | 4.71:1 | AA | Lc 72.5 | Content text, not long reading |
| #A3634F text on black | 4.45:1 | AA large text | Lc -29.2 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E7E4
oklch(93.5% 0.012 37.4)
-
Step 200
200
#E7D4CF
oklch(88.4% 0.022 35.1)
-
Step 300
300
#D9B8AE
oklch(80.8% 0.041 37.5)
-
Step 400
400
#C59384
oklch(70.7% 0.065 37.4)
-
Step 500
500
#B57865
oklch(63.1% 0.082 38)
-
Step 600
600 (this color)
#A3634F
oklch(56.6% 0.089 38.1)
-
Step 700
700
#894F3D
oklch(49.1% 0.083 38)
-
Step 800
800
#6F4133
oklch(42.7% 0.068 37.7)
-
Step 900
900
#5A372D
oklch(37.6% 0.053 36.7)
-
Step 950
950
#35211A
oklch(27.1% 0.034 40.1)
#A3634F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #736B4D | 0.084 |
| Deuteranopia (no green cones) | #82794E | 0.079 |
| Tritanopia (no blue cones) | #B0595E | 0.043 |
| Achromatopsia (no color) | #737373 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3634F
#A3634F
oklch(56.6% 0.089 38.1)
- #288299
#288299
oklch(56.5% 0.089 218.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A3634F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.024
- Clay #B66A50 ΔE 0.041
- Sepia #985E2B ΔE 0.047
- Sienna #A0522D ΔE 0.049
- Pinkish Brown #B17261 ΔE 0.049
- Mocha #9D7651 ΔE 0.050
- Copper #B66325 ΔE 0.053
- Reddish Grey #997570 ΔE 0.054
Use #A3634F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.